One miscast threw the entire movie

They were not thinking IMO.

I'm not saying I was overly happy with the rest of the casting - Arthur should've been taller and more handsome/less clownish, Zaphod was way too hysterical and the long blond hair was wtf, but Ford...omg. Nothing in common with the character from the book. What a shame.

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Hey have you ever been dragged to the sidewalk and beaten till you PISSED... BLOOD!

We all realize it and would've welcomed it had it been executed in the book's humor style manner, alright.
The point is Rockwell's Zaphod was way too out of tune with the book's character and way too hysterical/clownish. Not even close to the Britain style humor filled char in the book.

Now, do YOU realize THAT?
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Lovers of words have no place where honest work must be done.

You realise that Zaphod is supposed to be weird, right?

How could Mos Def have possibly managed to kill the movie, he hardly ever was on screen.

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A gentleman will not insult me, and no man not a gentleman can insult me.

I haven't read the books so I can't comment on Sam Rockwell's performance based on the character in the books, but I thoroughly enjoyed his portrayal of Zephod. As to being weird, I think that was the kind of the point. The whole movie is weird (in a good way). In my opinion, it was this role that drew more attention to him as a character actor, and led to bigger movies for him. I think the only miscast was Zooey Deschanel. I don't necessarily dislike her, I didn't hate her performance, and I get why they chose her since she's quirky, but I just didn't feel any connection, from her side, with the rest of the cast. As to the movie not living up to the books as many people have pointed out, very, very few movies do. It's only natural to make comparisons but I usually try (and sometimes fail), to view them as separate entities, and judge them on their own merits, or lack there of. Otherwise, I'd probably never like any movie or TV show based on a book, and I really like to read, but I also really enjoy movies and TV. To clarify, I'm not saying everyone should, just saying what I do. Or try to.